The perfect fit for your Winchester or Marlin center fire lever action rifle, Uncle Mike's Lever Action Full Band 1" Sling Swivels give you a rock solid system to mount a sling to your rifle. The included full band stud fits a magazine tube with a diameter of 0.645"-0.66" to give full contact for a more secure fit and stability to the mounted sling. There is also a wood screw base to be mounted into the wood stock for two solid points of contact on your rifle giving you the most stable means to use your rifle.